CNOOC Limited (the "Company", SEHK: 883; NYSE: CEO) announced today that the Company scored another exploration success with JZ25-1S-1, a wildcat well in Liaodong Block of Bohai Bay. The well tested a combined flow of 2300 barrels of 27-29??API crude per day during drill stem tests.

JZ25-1S-1 is located about 40 kilometers north of SZ36-1 oil field and 40 kilometers South of JZ20-2 gas condensate field. It was drilled down to 1960 meters in 24 meters of water depth.

"The exploration success streak continues in Bohai Bay. It will help strengthen Bohai Bay′s core area status," noted Mr. Ru Ke, Executive Vice President of the Company.